Cultivation

Flowerbed plantings — Black-eyed Susan, Coneflower

Rudbeckia hirta L.

The use of Rudbeckia hirta in flowerbeds as an accent plant with a long flowering period, capable of self-renewal through active self-seeding.

In the reference 10 varieties crop Black-eyed Susan, where this is mentioned in the description.

Rudbeckia hirta is used in flowerbed plantings as a dominant element in mixed borders and naturalistic gardens. To achieve a decorative effect in compositions, it is recommended to maintain a planting density of 6 to 8 plants per square meter, which ensures the visual integrity of the group.

A biological feature of the species is the ability of many cultivars to bloom in the year of sowing and behave as short-lived perennials. Maintenance of such plantings requires the removal of spent inflorescences to stimulate repeat flowering, as well as control over active self-seeding, which can alter the density and structure of the flowerbed in subsequent seasons.

General information about the subject — on the page Bedding plants.

Sources8

Varieties of Black-eyed Susan mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.